Single chip microcontroller

8PIN, 8K FLASH ROM, independent 128BEEPROM, 384B SRAM, 6 GP I/O, 5 dual-mode Touch Key (high sensitivity mode, high reliability mode), 3 16-bit Timers, 1 8-bit PWM, touch library

16MHz MCU with 92KB Flash, 8KB SRAM, 12-bit ADC, Dual 12-bit DAC, I2C/SPI/UART, HW Accelerator and DMA

16MHz MCU with 92KB Flash, 8KB SRAM, 12-bit ADC, Dual 12-bit DAC, I2C/SPI/UART, HW Accelerator and DMA

The chip has three stimulation functions of Tens analgesia, auxiliary muscle gain, and muscle rehabilitation. NS4 is composed of a battery charging module, a power switch, a high-voltage boost converter and a multi-mode stimulation module. \nThe constant current source output range is 3.6mA to 57.6mA.

20PIN, 1T 8051 core Flash MCU, 512B SRAM, 16KB Flash, 128B independent EEPROM, 12-bit ADC

High precision 12-bit ADC

MCU@@touch button, DMA support: TFT color screen interface, 4 serial ports, SPI, ADC, RTC